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(No Model.) 2 Sheets-Sheet 2.

WI". A. LORENZ.

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UNITED STATES PATENT OFFICE.

WILLIAM A. LORENZ, OF HARTFORD, CONNECTICUT, ASSIGNOR TO FELIX W.LEINBACH AND CLARENCE A. WOLLE, BOTH OF BETHLEHEM, PA.

PAPER-BAG MACHINE.

SPECIFICATION forming part of Letters Patent No. 333,646, dated January5, 1886.

Application filed June 1G, 1884.

To aZZ whom it may concern:

Be it known that I, WILLIAM A. LORENZ, of Hartford, Connecticut, haveinvented a new and useful Improvement in Paper-Bag Machines, of whichthe following description and claim constitute the specification, andwhich is illustrated by the accompanying two sheets of drawings.

This invention relates to the former of that part of a paper-bag machinewhich continuously manufactures a tucked paper tube from a continuousroll of paper.

That part of such a machine is elaborately shown in Sheets 3 and 4 ofthe drawings of an application for Letters Patent of the United Statesfor a new and useful paper-bag machine led in the Patent Office byYVilliam A. Lorenz and Villiam H. Honiss, May 15, 1884, and is fullydescribed in that application.

Not all the features of that part of such a machine are shown in thedrawings of this application, nor are all the features which are shownin these drawings described in this specification, because the presentinvention relates to one portion only of that part of such a machine.

Figure 1 in the drawings is a cross-section of the tucked paper tubeabove mentioned. Fig. 2 is a plan View of my new former and of theadjacent parts of a paper-bag machine. Fig. 3 is a side View of thesame. Figs. 4, 5, G, and 7 are cross-sections ou the lines NV W, and XX, and Y Y, and Z Z, respectively, of Figs. 2 and 3. Figs. 8, 9, and 10are crosssections on lines X X, and Y Y, and Z Z` respectively, of Figs.2 and 3, but showing a slight modiication of the form of the interior ofthe former. Fig. 11 is a plan view of another modiiication of my newformer and of the adjacent parts of a paper-bag machine. Fig. 12 is aside view of the same. Figs. 13, 14, 15, 16, and 17 are cross-sectionson the lines R R, and S S, and T T, and U U, andV V, respectively, ofFigs. 11 and 12.

A is the rectangular part of the former. Under it are the roll B, theroll C, and the pressing-roll D, all three of which are identical inconstruction, mode of operation, and

Serial No. 134,991. (No model.)

function with the corresponding parts of the apparatus shown anddescribed in the appli- 5o' cation of William A. Lorenz and William H.Honiss for Letters Patent of the United States for improvements inpaper-bag machines iiled on the same day with this application.

E is the hollow part of the former, placed between the rectangular partand the drawingrolls F and G.

H and I are projections on the sides of the interior of the hollow partof the former. These are curved longitudinally, as shown in 6o Fig. 2,and they gradually increase in depth, and decrease in thickness at thebase as they approach the drawing-rolls. At the extreme end nearest thedrawing-rolls I prefer those projections thicker at their edges than attheir bases, as shown in Fig. 7. i

The modiiied former shown in cross-section in Figs. 8, 9, and 10 differsfrom that shown in Figs. 2, 5, 6, and 7 only in being without theprojections H and I. 7o

The modiiied former shown in Figs. 11 to 17, inclusive, differs fromthat shown in Figs.

2. 5, 6, and 7 in having its rectangular part much shorter, and itshollow part much longer, and also in having the form ot' its hollow part75 somewhat different in cross-section, as shown in Figs. 11, 12, 14,and 15. That difference in cross-section consists in extending theprojections H and'I on substantially the lines shown in that behalf inFig. 11, and also in 8o making a cavity, J, for the accommodation of theborders of the paper before those borders are pasted together.

The mode of operation of this invention is as follows: The drawing-rollsF and G continuously pull the tucked paper tube out of the smaller endofthe hollow former E, that former operating to give the tucked shapeshown in Fig. 1 to the rectangulartube made by the rectangular former Ashown in Figs. 2, 3, and 9o 4; or, if the modification of my inventionshown on Sheet 2 of the drawings is used, then the drawing-rolls F and Goperate as before, and the hollow former E not only operates to give theiinal tucked shape to the paper tube, but also operates to bring the`borders of the paper together, and thus causes the line of pasteVertical expanse continually diminishing from to make them permanentlyadhere to each one end thereof to the other, substantially as other.described.

I claim as my invention- WILLIAM A. LORENZ. 5 The hollow former E, openat both ends, Witnesses:

' and having its greatest interior Width uniform ALBERT H. WALKER,throughout its length, and having its interior FRANK H. PIERPONT.

